Catheter



FIG. 1 is a front view of a catheter, showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a right side view thereof;

FIG. 7 is a reduced-scale front view showing the catheter in a wound condition.

The broken lines shown in the drawings represent portions of the catheter that form no part of the claimed design. The parallel dash-dot lines in the drawings indicate that the appearance of any portion of the catheter between the break lines forms no part of the claimed design. 

CLAIM We claim, the ornamental design for a catheter, as shown and described. 